The family of Tietz potentials

2026-10-21 · arXiv Quantum Physics

arXiv:2610.28126v1 Announce Type: new

Abstract: We show that several potential-energy functions based on the exponential function $e^{-\alpha r}$, $\alpha 0$, are either equivalent or identical to the Tietz potential. Some of those potentials exhibit redundant parameters that can be removed without affecting their performance for the description of the vibration-rotation spectra of diatomic molecules.

原文链接：https://arxiv.org/abs/2610.28126

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